package com.dippy.config;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;

//Spring boot方式
@Configuration
@EnableTransactionManagement
@MapperScan("com.dippy.mapper")
public class MybatisPlusConfig {

    // @Bean
    // public PaginationInterceptor paginationInterceptor() {
    //     PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
    //     // 设置请求的页面大于最大页后操作， true调回到首页，false 继续请求  默认false
    //     // paginationInterceptor.setOverflow(false);
    //     // 设置最大单页限制数量，默认 500 条，-1 不受限制
    //     // paginationInterceptor.setLimit(500);
    //     // 开启 count 的 join 优化,只针对部分 left join
    //     paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));
    //     return paginationInterceptor;
    // }

    // 最新版
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.H2));
        return interceptor;
    }


}
